Question

Please help, seriously confused

Answer 1

original height = original width = x mm

1. She made an enlarged copy...
height = 2x
width = 2x

2. She cut off a rectangle...
height = 2x
width =
`(2)/(3) *2x= (4)/(3)x`

3.She doubled the width...
height = 2x
width =
`2*(4)/(3)x = (8)/(3)x`

height * width = area


`2x * (8)/(3)x=139 \ 968 \\ \\ (16)/(3)x^2= 139 \ 968 \\\\ x^2=139 \ 968: (16)/(3)=139 \ 968 * (3)/(16)= 8 \ 748*3 = 26 \ 244 \\ \\ x= √(26 \ 244) = 162 \ mm`

Original height was 162 mm